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    • 3. 发明申请
    • Self-aligned lateral heterojunction bipolar transistor
    • 自对准横向异质结双极晶体管
    • US20050196931A1
    • 2005-09-08
    • US11123748
    • 2005-05-04
    • Jian LiLap ChanPurakh VermaJia ZhengShao-fu Chu
    • Jian LiLap ChanPurakh VermaJia ZhengShao-fu Chu
    • H01L21/331H01L29/737
    • H01L29/66242H01L29/737
    • A lateral heterojunction bipolar transistor (HBT), comprising a semiconductor substrate having having a first insulating layer over the semiconductor substrate. A base trench is formed in a first silicon layer over the first insulating layer to form a collector layer over an exposed portion of the semiconductor substrate and an emitter layer over the first insulating layer. A semiconductive layer is formed on the sidewalls of the base trench to form a collector structure in contact with the collector layer and an emitter structure in contact with the emitter layer. A base structure is formed in the base trench. A plurality of connections is formed through an interlevel dielectric layer to the collector layer, the emitter layer, and the base structure. The base structure preferably is a compound semiconductive material of silicon and at least one of silicon-germanium, silicon-germanium-carbon, and combinations thereof.
    • 一种横向异质结双极晶体管(HBT),包括在半导体衬底上具有第一绝缘层的半导体衬底。 基底沟槽形成在第一绝缘层上的第一硅层中,以在半导体衬底的暴露部分和第一绝缘层上的发射极层之上形成集电极层。 半导体层形成在基底沟槽的侧壁上,以形成与集电极层接触的集电极结构和与发射极层接触的发射极结构。 基底结构形成在基底沟槽中。 通过层间电介质层到集电极层,发射极层和基底结构形成多个连接。 基底结构优选是硅的化合物半导体材料和硅 - 锗,硅 - 锗 - 碳及其组合中的至少一种。
    • 5. 发明申请
    • SELF-ALIGNED LATERAL HETEROJUNCTION BIPOLAR TRANSISTOR
    • 自对准侧向异相双极晶体管
    • US20050101096A1
    • 2005-05-12
    • US10703284
    • 2003-11-06
    • Jian LiLap ChanPurakh VermaJia ZhengShao-Fu Chu
    • Jian LiLap ChanPurakh VermaJia ZhengShao-Fu Chu
    • H01L21/331H01L29/737H01L21/8222
    • H01L29/66242H01L29/737
    • A method for manufacturing a lateral heterojunction bipolar transistor (HBT) is provided comprising a semiconductor substrate having a first insulating layer over the semiconductor substrate. A base trench is formed in a first silicon layer over the first insulating layer to form a collector layer over an exposed portion of the semiconductor substrate and an emitter layer over the first insulating layer. A semiconductive layer is formed on the sidewalls of the base trench to form a collector structure in contact with the collector layer and an emitter structure in contact with the emitter layer. A base structure is formed in the base trench. A plurality of connections is formed through an interlevel dielectric layer to the collector layer, the emitter layer, and the base structure. The base structure preferably is a compound semiconductive material of silicon and at least one of silicon-germanium, silicon-germanium-carbon, and combinations thereof.
    • 提供一种用于制造横向异质结双极晶体管(HBT)的方法,包括半导体衬底上的第一绝缘层的半导体衬底。 基底沟槽形成在第一绝缘层上的第一硅层中,以在半导体衬底的暴露部分和第一绝缘层上的发射极层之上形成集电极层。 半导体层形成在基底沟槽的侧壁上,以形成与集电极层接触的集电极结构和与发射极层接触的发射极结构。 基底结构形成在基底沟槽中。 通过层间电介质层到集电极层,发射极层和基底结构形成多个连接。 基底结构优选是硅的化合物半导体材料和硅 - 锗,硅 - 锗 - 碳及其组合中的至少一种。
    • 10. 发明申请
    • HETEROJUNCTION BICMOS SEMICONDUCTOR
    • 异常BICMOS半导体
    • US20050098834A1
    • 2005-05-12
    • US10705163
    • 2003-11-06
    • Jia ZhengLap ChanShao-fu Chu
    • Jia ZhengLap ChanShao-fu Chu
    • H01L21/331H01L21/8249H01L27/06H01L27/108H01L21/8238H01L29/04
    • H01L29/66242H01L21/8249H01L27/0623
    • A BiCMOS semiconductor, and manufacturing method therefore, is provided. A semiconductor substrate having a collector region is provided. A pseudo-gate is formed over the collector region. An emitter window is formed in the pseudo-gate to form an extrinsic base structure. An undercut region beneath a portion of the pseudo-gate is formed to provide an intrinsic base structure in the undercut region. An emitter structure is formed in the emitter window over the intrinsic base structure. An interlevel dielectric layer is formed over the semiconductor substrate, and connections are formed through the interlevel dielectric layer to the collector region, the extrinsic base structure, and the emitter structure. The intrinsic base structure comprises a compound semiconductive material such as silicon and silicon-germanium, or silicon-germanium-carbon, or combinations thereof.
    • 因此,提供BiCMOS半导体及其制造方法。 提供具有集电极区域的半导体衬底。 在集电极区域上形成伪栅极。 在伪栅极中形成发射器窗口以形成外部基极结构。 在伪栅极的一部分下面的底切区域形成为在底切区域中提供内部基极结构。 发射极结构在内部基极结构的发射极窗口中形成。 在半导体衬底上形成层间电介质层,并且通过层间电介质层到集电极区域,非本征基极结构和发射极结构形成连接。 本征基础结构包括诸如硅和硅 - 锗的复合半导体材料或硅 - 锗 - 碳或其组合。